title: Research on the activity of the cerebral MAO system during ageing.
mesh_terms: D000375:Aging; D000818:Animals; D001921:Brain / Q000201:enzymology*; D006168:Guinea Pigs; D008297:Male; D008995:Monoamine Oxidase / Q000378:metabolism*
chemical_list: D008995:Monoamine Oxidase